Maryland Day at UMD
UMD's 28th annual open house with 400+ free activities across five themed neighborhoods: farm animals, robotics, art workshops, sports, and science labs. A giant science fair meets county fair.
35th Annual Rockville Science Day
Montgomery County's biggest STEM festival. 120 exhibitors, rocket building, telescopes, live reptiles, electric vehicles, coding challenges, and chemistry experiments. Kids get to build, break, and launch things.
National Building Museum Workshops
Architecture and design workshops at the National Building Museum — kids design spaces, study bridges, and learn engineering through play.
Earth Day Events
Hands-on environmental science activities, cleanups, nature crafts, and educational exhibits across the National Mall and DMV.
DC Parks Spring Break Activities
Park rangers lead nature science programs — stream exploration, animal tracking, native plant identification, and junior ranger activities.